:root {
    --bg-color: #0b0e14;
    --card-bg: #161b22;
    --accent: #d4d4d8; /* Hienostunut vaaleanharmaa */
    --primary: #ffffff;
    --text-muted: #8b949e;
    --border: #30363d;
    --link-color: #58a6ff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    letter-spacing: -0.01em;
}

h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

.container {
    width: 90%;
    max-width: 600px;
    text-align: center;
    padding: 2rem;
}

/* Input kenttä */
.input-group {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input[type="url"] {
    width: 100%;
    padding: 1.2rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: white;
    font-size: 1rem;
    transition: border-color 0.2s;
    outline: none;
}

input[type="url"]:focus {
    border-color: var(--accent);
}

button {
    padding: 1.2rem;
    border-radius: 4px;
    border: none;
    background: var(--primary);
    color: var(--bg-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

/* Tulos */
.result-area {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    animation: fadeIn 0.4s ease-out;
}

.link-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    padding: 1rem;
    border: 1px solid var(--border);
    margin-top: 1rem;
}

.link-box a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
}

#copyBtn {
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 0.5rem;
    border: 1px solid var(--border);
}

#copyBtn:hover {
    color: var(--primary);
    border-color: var(--accent);
}

/* Footer Copyright */
.footer-copy {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.footer-copy:hover {
    opacity: 1;
}

.footer-copy a {
    color: inherit;
    text-decoration: none;
}

.hidden { display: none; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}